| Primary satellite | Secondary satellite |
| Name | STRAND 1 | Cosmos 1331 |
| Spacetrack catalog number | 39090 | 13027 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jun 08 12:00 | 2023 Jun 08 01:50 |
| Time of closest approach (UTC) | 2023 Apr 06 17:10:20.758 |
| Minimum distance | 11.139 km |
| Height difference | -3.060 km |
| Relative speed | 14.421 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 70.8°N, 174.9°E |
| Height | 782 km |
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